From: Jeff King <peff@peff.net>
Date: Thu, 22 Mar 2012 18:53:39 +0000 (-0400)
Subject: make is_empty_blob_sha1 available everywhere
X-Git-Tag: v1.7.10.1~12^2~2
X-Git-Url: https://git.lorimer.id.au/gitweb.git/diff_plain/f8582cad8d11cae15e73fe5213b6180ee4b9fcce?ds=inline;hp=f8582cad8d11cae15e73fe5213b6180ee4b9fcce

make is_empty_blob_sha1 available everywhere

The read-cache implementation defines this static function,
but it is a generally useful concept in git. Let's give
the empty blob the same treatment as the empty tree,
providing both hex and binary forms of the sha1.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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